KR100249635B1 - Saw resonator filter - Google Patents

Saw resonator filter Download PDF

Info

Publication number
KR100249635B1
KR100249635B1 KR1019970041949A KR19970041949A KR100249635B1 KR 100249635 B1 KR100249635 B1 KR 100249635B1 KR 1019970041949 A KR1019970041949 A KR 1019970041949A KR 19970041949 A KR19970041949 A KR 19970041949A KR 100249635 B1 KR100249635 B1 KR 100249635B1
Authority
KR
South Korea
Prior art keywords
saw resonator
resonator filter
filter
saw
resonator
Prior art date
Application number
KR1019970041949A
Other languages
English (en)
Korean (ko)
Other versions
KR19980019102A (ko
Inventor
Masahiro Hiramoto
Original Assignee
Murata Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co filed Critical Murata Manufacturing Co
Publication of KR19980019102A publication Critical patent/KR19980019102A/ko
Application granted granted Critical
Publication of KR100249635B1 publication Critical patent/KR100249635B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
KR1019970041949A 1996-08-28 1997-08-28 Saw resonator filter KR100249635B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8-227027 1996-08-28
JP22702796A JP3204112B2 (ja) 1996-08-28 1996-08-28 弾性表面波共振子フィルタ

Publications (2)

Publication Number Publication Date
KR19980019102A KR19980019102A (ko) 1998-06-05
KR100249635B1 true KR100249635B1 (en) 2000-03-15

Family

ID=16854377

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970041949A KR100249635B1 (en) 1996-08-28 1997-08-28 Saw resonator filter

Country Status (6)

Country Link
US (1) US5909158A (ja)
EP (1) EP0827274B1 (ja)
JP (1) JP3204112B2 (ja)
KR (1) KR100249635B1 (ja)
DE (1) DE69716846T2 (ja)
TW (1) TW481391U (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3298538B2 (ja) * 1999-02-16 2002-07-02 株式会社村田製作所 端面反射縦結合型ｓａｗ共振子フィルタ
WO2000070758A1 (fr) 1999-05-14 2000-11-23 Kabushiki Kaisha Toshiba Dispositif d'onde acoustique de surface
JP2002176333A (ja) * 2000-12-07 2002-06-21 Fujitsu Media Device Kk 弾性表面波フィルタ
KR100402067B1 (ko) * 2001-04-06 2003-10-17 엘지이노텍 주식회사 이중모드 공진기 결합형 표면탄성파 필터
JP3826816B2 (ja) * 2001-08-29 2006-09-27 株式会社村田製作所 弾性表面波装置
JP2003133889A (ja) * 2001-10-25 2003-05-09 Murata Mfg Co Ltd 縦結合型弾性表面波共振子フィルタ
JP3764731B2 (ja) 2002-10-18 2006-04-12 富士通メディアデバイス株式会社 多重モード弾性表面波フィルタ及び分波器
JP4155104B2 (ja) * 2003-05-19 2008-09-24 株式会社村田製作所 弾性表面波装置
DE102009009484B4 (de) * 2009-02-19 2014-07-17 Epcos Ag Zweikanal-SAW Filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0584761B2 (en) * 1992-08-24 2005-08-31 NRS Technologies Inc. Surface acoustic wave resonator filter
JP3001350B2 (ja) * 1993-05-19 2000-01-24 日本電気株式会社 弾性表面波フィルタ
JP2560991B2 (ja) * 1993-08-20 1996-12-04 日本電気株式会社 弾性表面波フィルタ
US5646584A (en) * 1994-04-25 1997-07-08 Advanced Saw Products Sa Saw filter including electrodes of opposing polarity
JP3366477B2 (ja) * 1995-01-20 2003-01-14 東洋通信機株式会社 縦型複合４重モードｓａｗフィルタ

Also Published As

Publication number Publication date
EP0827274B1 (en) 2002-11-06
JPH1070436A (ja) 1998-03-10
KR19980019102A (ko) 1998-06-05
TW481391U (en) 2002-03-21
DE69716846D1 (de) 2002-12-12
US5909158A (en) 1999-06-01
EP0827274A3 (en) 1999-02-17
DE69716846T2 (de) 2003-09-11
JP3204112B2 (ja) 2001-09-04
EP0827274A2 (en) 1998-03-04

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